The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 08, 2022

Filed:

Mar. 20, 2018
Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Tomoki Iga, Kyoto, JP;

Masayoshi Maeda, Kyoto, JP;

Yu Asahi, Kyoto, JP;

Takao Atarashi, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 3/52 (2006.01); H02K 21/16 (2006.01); H02K 3/28 (2006.01);
U.S. Cl.
CPC ...
H02K 3/522 (2013.01); H02K 3/28 (2013.01); H02K 21/16 (2013.01); H02K 2203/09 (2013.01);
Abstract

A bus bar unit includes an inner bus bar and an outer bus bar extending in a circumferential direction about a central axis of a motor and connected to a coil of a stator and held by a bus bar holder which is a resin molded structure and the outer bus bar is disposed outward in a radial direction with respect to the inner bus bar. The bus bar holder includes a first inner support wall to support an outer circumferential surface of the inner bus bar, a first outer support wall to support an inner circumferential surface of the outer bus bar, openings open in parallel or substantially in parallel in at least one of the first inner support wall and the first outer support wall in the circumferential direction, and through which a lead wire of the coil passes, and a connection rib extending in the radial direction between the openings adjacent to each other in the circumferential direction to connect the first inner support wall to the first outer support wall.


Find Patent Forward Citations

Loading…